Synonym Chooser

How does the noun hypothesis differ from other similar words?

The words law and theory are common synonyms of hypothesis. While all three words mean "a formula derived by inference from scientific data that explains a principle operating in nature," hypothesis implies insufficient evidence to provide more than a tentative explanation.

a hypothesis explaining the extinction of the dinosaurs

When can law be used instead of hypothesis?

The synonyms law and hypothesis are sometimes interchangeable, but law implies a statement of order and relation in nature that has been found to be invariable under the same conditions.

the law of gravitation

In what contexts can theory take the place of hypothesis?

The words theory and hypothesis can be used in similar contexts, but theory implies a greater range of evidence and greater likelihood of truth.

the theory of evolution

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of hypothesis Initial hypotheses suggested those become more elaborate over time in response to the growing threat of Cretaceous predators. ArsTechnica, 28 Aug. 2025 OpenRouter Now that school is back in session, that hypothesis seems to have been reinforced. Theo Burman, MSNBC Newsweek, 28 Aug. 2025 Thus, the consumption of matter in the conversion to dark energy bubbles in the form of black holes in the CCBH hypothesis would explain why the rate at which the universe expands, called the Hubble constant, is changing with time. Robert Lea, Space.com, 24 Aug. 2025 The scaling hypothesis—the belief that bigger models will produce more intelligent outputs—seems to rest on the dubious belief that a system that has been fed enough information about the world will not have to deal with fuzziness. Meghan O’Gieblyn, Harpers Magazine, 20 Aug. 2025 See All Example Sentences for hypothesis
Recent Examples of Synonyms for hypothesis
Noun
  • The most effective education models are those that blend theory with real-world practice.
    Sanjay Srivastava, Forbes.com, 10 Sep. 2025
  • Testing particle physics theories, the $8 billion LHC was composed of superconducting magnets that allowed scientists to study subatomic particles including protons, electrons, quarks and photons.
    Lorenzino Estrada, AZCentral.com, 10 Sep. 2025
Noun
  • The House as Cultural Space Step from the porch into the sitting room and the thesis continues.
    Gina Pace, Forbes.com, 8 Sep. 2025
  • If selling to private equity, the real estate is often critical to their investment thesis.
    Allen Buchanan, Oc Register, 6 Sep. 2025
Noun
  • As a business proposition, Nasdaq may have concluded that these smaller names do not generate sufficient revenues from listing fees, trading, and data services to compensate for the compliance and reputational costs.
    Drew Bernstein, Forbes.com, 9 Sep. 2025
  • That helps boost the Air's value proposition despite the higher starting price.
    Zev Fima, CNBC, 9 Sep. 2025

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Cite this Entry

“Hypothesis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hypothesis. Accessed 14 Sep. 2025.

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